hl7

{
  "resourceType": "MessageDefinition",
  "id": "example",
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\">Message definition base example</div>"
  },
  "url": "http://hl7.org/fhir/MessageDefinition/example",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.15.3"
    }
  ],
  "name": "EXAMPLE",
  "title": "Message definition base example",
  "status": "draft",
  "experimental": true,
  "date": "2016-11-09",
  "publisher": "Health Level Seven, Int'l",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org"
        }
      ]
    }
  ],
  "description": "Message definition base example",
  "purpose": "Defines a base example for other MessageDefinition instances.",
  "event": {
    "system": "http://example.org/fhir/message-events",
    "code": "admin-notify"
  },
  "category": "notification"
}